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Full text of "Alaskan glacier studies of the National Geographic Society in the Yakutat Bay, Prince William Sound and lower Copper River regions"

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VIEW LOOKING EAST TIP THE Two BRANCHES OF NTJN-ATAK Gi-iciER FROM CREST OF THE NTTNATAK Photograph, July 5, 1906; it was possible to travel to the Alsek River valley across the broad ice divide.    (From U. S. Geological Survey, Professional Paper 64.)